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Finding the Third Proportional to 680,421 and 1,464,843

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Solution

The third proportional to 680,421 and 1,464,843 is: 3,153,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,421 : 1,464,843 = 1,464,843 : x
  2. Step 2: Convert to fraction form
    680,421/1,464,843 = 1,464,843/x
  3. Step 3: Cross multiply
    680,421x = 1,464,843 × 1,464,843
  4. Step 4: Simplify right side
    680,421x = 2,145,765,014,649
  5. Step 5: Solve for x
    x = 2,145,765,014,649/680,421
  6. Step 6: Final answer
    x = 3,153,584.35

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.